Finding the Fourth Proportional to 738,470.19, 1,107,606.85 and 205,946.62
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Solution
The fourth proportional to 738,470.19, 1,107,606.85 and 205,946.62 is: 308,892.48
Step by Step Solution
- Step 1: Write the proportion equation
738,470.19 : 1,107,606.85 = 205,946.62 : x - Step 2: Convert to fraction form
738,470.19/1,107,606.85 = 205,946.62/x - Step 3: Cross multiply
738,470.19x = 1,107,606.85 × 205,946.62 - Step 4: Simplify right side
738,470.19x = 228,107,887,046.35 - Step 5: Solve for x
x = 228,107,887,046.35/738,470.19 - Step 6: Final answer
x = 308,892.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.